How far is Des Plaines, IL from Williamsville, IL?
The driving distance from Des Plaines, IL to Williamsville, IL is about 189.2 miles (304.5 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 167.8 miles (270.1 km).
- For a round trip, plan for roughly 07h 12m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 36m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Township in Livingston County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Des Plaines and Williamsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Des Plaines and Williamsville.
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1
Start on Henry Avenue
557 ft · 25 sec · Henry Avenue
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2
Turn right onto South Des Plaines River Road
1.8 mi · 3 min · South Des Plaines River Road
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3
Take the ramp slight right toward I 294 South: Indiana
2265 ft · 55 sec
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4
Merge slight left onto Tri-State Tollway
11.5 mi · 15 min · Tri-State Tollway
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5
Keep slight left to continue on Tri-State Tollway
4.8 mi · 6 min · Tri-State Tollway
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6
Keep slight right to continue on Tri-State Tollway
1.2 mi · 1 min · Tri-State Tollway
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7
Take the exit slight right toward I 55: Chicago, St. Louis
1 km · 1 min
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8
Keep slight right to continue on I 55 South: Saint Louis
2295 ft · 56 sec
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9
Merge slight left onto Adlai Stevenson Expressway
119.4 mi · 2 hr 13 min · Adlai Stevenson Expressway
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10
Keep slight right to continue on I 55 South: Saint Louis, Springfield
47.8 mi · 51 min
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11
Take the exit slight right toward IL 123: Williamsville
1678 ft · 41 sec
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12
Keep slight left to continue on IL 123: Williamsville
111 m · 11 sec
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13
Turn slight left onto County Highway 2
2644 ft · 1 min · County Highway 2
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14
Continue on West Main Street
997 ft · 41 sec · West Main Street
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15
Continue on West Main Street
61 m · 14 sec · West Main Street
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16
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Des Plaines and Williamsville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
119 mi · 02h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Des Plaines and Sunny near Williamsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Des Plaines to Williamsville?
The road trip is about 189.2 miles (304.5 km) and usually takes 03h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Odell is a useful midpoint, sitting about 94.6 miles from Des Plaines and 94.6 miles from Williamsville.
How much longer is the road route than the straight-line distance?
The direct path is about 167.8 miles (270.1 km), while the road route adds roughly 21.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.19 one way or $50.38 round trip. Estimated CO2 is about 59.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Des Plaines and Sunny near Williamsville.
Stop Ideas Near Odell
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Odell.
Dwight station
Pontiac station
Gilman
Kankakee
Flight Path Map
This map shows the direct air route between Des Plaines and Williamsville. Straight-line distance: 167.86 mi (270.14 km).
#1 Des Plaines
The most populous city in Cook County, Illinois.
| Population | 58,179 |
| Coordinates | 42.0333600, -87.8834000 |
| Altitude | 193 |
| Country | United States |
#2 Williamsville
Village in the United States
| Population | 1,490 |
| Coordinates | 39.9542200, -89.5487100 |
| Altitude | 183 |
| Country | United States |
End: Williamsville (-89.54871, 39.95422)
Estimated Travel Time
Distance: 305 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 18m |
| 40 mph (64.37 km/h) | 04h 43m |
| 50 mph (80.47 km/h) | 03h 47m |
| 60 mph (96.56 km/h) | 03h 09m |
| 70 mph (112.65 km/h) | 02h 42m |
| 80 mph (129 km/h) | 02h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.19 | $50.38 |
| Mid-grade | $4.25 | $28.41 | $56.82 |
| Premium | $4.65 | $31.09 | $62.18 |
| Diesel | $5.30 | $35.43 | $70.86 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.